Siphon.



PATENTED JUNE 6, 1905.

P. MOGRATH.

SIPHON.

APPLICATION FILED APR.4,1905.

2 SHEETS-SHEET 1.

/m/E/v-of? PETER M c G RATH WIT/VESSES:

TTORNEYS No. 791,934. PATENTED JUNE 6, 1905. P. MOGRATH.

SIPHON.

APPLICATION FILED APR.4. 1905.

2 SHEETS-SHEET 2.

UNITED STATES 'Patented June e, 1905.

PATENT OEEIcE.

SIPHON.

SPECIFICATION forming part of Letters Patent No. 791,934, dated J ule 6, 1905.

' Application inea April 4, 1905. sepia No. 253,780.

To @ZZ whom t may concern:

Be it known that I, PETER MCGRATH, a citizen of the United States, and a resident of Hibbing, in the county of St. Louis and State of Minnesota, have invented certain new and useful Improvements in Siphons, of which the following is a specification.

My invention relates to an improvement in siphons, being designed as an improvement on Patent No. 779,865, granted to me J anuary 10, 1905, and has for its object to provide a simple, cheap, and eflicient device for withdrawing liquids from vessels having no faucet or other outlet.

My invention consists in certain novel features of construction, operation, and combination of parts, as will be hereinafter fully described, and pointed out in the claims.

In the drawings, Figure l is a longitudinal section showing the device preparatory to starting flow of liquid. Fig. 2 is asimilar view showing position of parts while the siphon is in action. Fig. 8 is a sectional view of a slightly-modified form of the improvement. Fig. 4 is a sectional view of another form. Fig. 5 is aview of another means of fastening the parts together.

A represents the barrel or main body portion of the device, it being usually internally threaded at its upper and lower ends and has within it the chamber A'.

A2 is the lower or auxiliary portion of the device and consists of the tubular casting open at each end, but of less internal diameter than the chamber A', and screwed at its upper end to the main portion A, its upward movement being limited by the flange a2. The bore of this portion or member A2 is reduced at its lower end, forming a shoulder c3, and its outer surface screw-threaded. Upon this externally-threaded portion is screwed the ianged ring a2, confining the gasket a5 between it and the end of A2.

B is the upper member, said member being a tubular casting and screwed into the upper end of A. The upper end of B is externally threaded, and to said upper end is attached a nipple C, by means of a union I and a gasket o. Said nipple has at its upper end the external beveled flange c, over which is to be passedahose H and held theretoby clamps c.

If desired, the sections A and A2 may be made integral,l as shown in Fig. 3, or the sections A and Bmay be made integral, as shown in Fig. 4, in which construction the member or section B may have its upper end provided with the beveled liange to receive the hose. In each construction the lower end of member or section A2 is to have an internal shoulder, the purpose of which will presently appear. In Fig. 3 the bore of member' or section A2 is flared or enlarged to receive and act as a seat for the tubular plunger D. Said plunger is made hollow throughout its length and has an enlarged head D, and in the upper end of the bore is screwed a plug D2, having a slot or groove d to receive the end of a screw-driver. If desired, the head D and the partD may be made separate and be screwed together. The lower end of D is externally threaded to -receive the threaded outlet-nozzle D3.

Z CZ represent transverse openings drilled through the head D, communicating with the central bore of the plunger D. As before stated, the internal diameter of A2 is less than that of member A, and in the member A2 the head D of the plunger is to fit snugly. rIhe plunger is to be placed in the upper end of A and dropped into the part A2.

E is a coiled spring surrounding the plunger, bearing at its upper end against the head of said plunger and at its lower end resting on the internal shoulder a3 at the lower end of section A2. The coiled spring E normally forces the plunger upwardly, so that the head is within chamber Al and the transverse openings CZ in the head establishing communication with the internal bore of the plunger and the said chamber A. After the plunger has been placed within the parts A and A2 the end of a screw-driver is placed in the slot d of the screw-plug D, which closes the upper end of the plunger, and the plunger is then forced downwardly until the externally threaded lower end of the plunger is below the end of section A2. The outlet-nozzle D3 is now screwed on the threaded lower end of the plunger, the end ot' the screw-driver being still held in the groove or slot of the screwplug to prevent the plunger turning while the screwing on of outlet-nozzle is taking place. The upper section B is now screwed into the part A, a gasket fr being placed between them to make tightpjoint.

a is a threaded opening' through one side of section A and into which is screwed one end of the elbow or gooseneck F. To the other end of the gooseneck is fitted a compressible bulb as shown in Figs. l and 2.

It will be observed that the gasket a5 at the lower end of member A2 permits the tubular plunger to slide freely up and down within the sections A2 and A and yet maintain a liquidtight connection at the lower end of A2 and prevent leakage. It will also be observed that the outlet-nozzle D', being' screwed to the outside of the end of the plunger, will act as a limiting-stop to the upward movement or' the plunger caused by the spring E.

The various parts having all been properly assembled and coupled up, the operation of my improvement is as follows: The free end of hose H having been placed in the receptacle 'from which thc liquid is to be drawn, the outlet-nozzle is grasped and pulled down until the head of the plunger is drawn into the section A2 and communication between the bore of the plunger and the chamber A cut off. The bulb is now compressed, Vforcing the air from the chamber A and .forming a vacuum therein. rlhe bulb is then released and allowed to expand again, whereupon the liquid in the receptacle will be drawn from the barrel into chamber A. The lower end of the plunger is now released, the spring E forces the head upwardly, and the transverse openings d in the head are uncovered, allowing the liquid from the receptacle to pass through the hollow plunger and through the outlet-nozzle D. This flow continues as long as desired or until the plunger is again pulled down, it be ing of course understood that the lower end of outlet-nozzle is held below the level of the liquid to be withdrawn. By inverting the dcvice any liquid remaining in the chamber A may be drained back into the receptacle.

It will be noticed that the parts of this device are all separable and removable, whereby the parts may be easily detached and cleaned, and that by means of the grooved screw-plug in the upper end of the plunger-head the discharge-nozzle can be readily put on and taken oii'.

In Fig. 5 I have shown another method of securing the upper and lower sections to the main body portion.

Having thus described my invention, what I claim as new, and desire to secure by Letters .Patent, isu

l. A siphon consisting of a barrel or main body portion having threaded upper and lower ends, an upper tubular section screwed to said main portion, a lower tubular section screwed to the main section, said lower section of less internal diameter than the main section, a tubular plunger adapted to reciprocate within the main and lower sections, said plunger having an enlarged head portion, a plug inserted in the top of thehead portion closing the same and said head having transverse openings communicating with its internal bore, an eXpansible gasket at the lower end of the lower section, a threaded ring screwed on the lower end of the lower section to cause the gasket to expand and lit the outside ot' the plunger liquid-tight, a spring surrounding the plunger and bearing at its upper end against the head thereofl and at its lower end against an internal shoulder at the lower end of the lower section, agooseneck detachably secured to the main section and communicating with the interior thereof, a compressible bulb operatively connected to the free end of the gooseneck, and detachable hose connections at the upper end of the upper section and the lower end of the lower section.

2. A siphon consisting of a barrel or main body portion and comprising upper and lower separable chambers, the upper chamber being of greater internal diameter than the lower chamber, a tubular plunger adapted to reciprocate within the upper and lower chambers and having an internallythreaded vertical opening through its head, a screw-plug fitting said threaded opening and havinga transverse slot or groove in its upper face, the head of the plunger also having transverse openings from its outer surface comm unicating with the internal bore of the same, acoiled spring surrounding the plunger between its head, and an internal shoulder near the lower end of the lower chamber, a flanged screw-ring fitted in the lower end of the lower chamber and con- Iining between it and the end of the lower chamber a gasket surrounding the plunger liquidtight, the said spring normally forcing the head of the plunger into the upper chamber and exposing its transverse openings therein, and means for exhausting' the air from the upper chamber and then causing suction therein whereby liquid will be caused to liow from a receptacleinto the upper chamber and through the tubular plunger.

PETER MCGRATH..

Vitnesses:

VILLIAM MONAHAN,

FRED. H. Fox.

IOO

IIO 

